Cutting insert



FIG. 1 is a perspective view of a cutting insert showing my new design;

FIG. 2 is an end view thereof, with the remaining end view being a mirror image thereof;

FIG. 3 is a side view thereof, with the remaining side view being a mirror image thereof;

FIG. 4 is a top plan view of the cutting insert of FIG. 1; and,

FIG. 5 is a bottom view of the cutting insert of FIG. 1. 

The ornamental design for a cutting insert, as shown and described. 